Merge pull request #16148 from edx/jeskew/initial_django_1.11_startup_changes

cms/djangoapps/contentstore/tests/test_course_settings.py

cms/djangoapps/contentstore/tests/test_courseware_index.py

cms/djangoapps/contentstore/views/public.py

cms/lib/xblock/tagging/tagging.py

common/djangoapps/static_replace/__init__.py

common/djangoapps/static_replace/test/test_static_replace.py

...goapps/student/management/tests/test_transfer_students.py

common/djangoapps/student/models.py

common/djangoapps/student/signals/__init__.py

common/djangoapps/student/signals/signals.py

common/djangoapps/student/tests/test_views.py

common/djangoapps/student/views.py

common/djangoapps/util/tests/test_file.py

common/lib/xmodule/xmodule/lti_module.py

common/lib/xmodule/xmodule/modulestore/django.py

common/lib/xmodule/xmodule/seq_module.py

common/lib/xmodule/xmodule/tests/test_fields.py

common/lib/xmodule/xmodule/tests/test_import.py

common/lib/xmodule/xmodule/tests/test_lti20_unit.py

common/lib/xmodule/xmodule/tests/test_lti_unit.py